Home / 23,110.98-31,893-12,500.58

Finding the Fourth Proportional to 23,110.98, 31,893 and 12,500.58

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Solution

The fourth proportional to 23,110.98, 31,893 and 12,500.58 is: 17,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.98 : 31,893 = 12,500.58 : x
  2. Step 2: Convert to fraction form
    23,110.98/31,893 = 12,500.58/x
  3. Step 3: Cross multiply
    23,110.98x = 31,893 × 12,500.58
  4. Step 4: Simplify right side
    23,110.98x = 398,680,997.94
  5. Step 5: Solve for x
    x = 398,680,997.94/23,110.98
  6. Step 6: Final answer
    x = 17,250.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.